10          20        30        40        50        60
GGCCCUUGGCGAGCUGGC--|  G        G         CCUA    CC    GUAGC 
                    AGC CCCGGGGC AGGUUCUGU    CACU  GGCU     U
                    UCG GGGCCCUG UUCAAGACA    GUGA  CUGA     A
GCGCCUAGGCCCGCGAGGGC^  A        G         CUAC    --    CAGAC 
.       110       100        90        80          70